Answer :
Let x= Kiera, y=Larry, z=Gita
"Kiera picked twice as many pounds as Larry" x=2y
"Kiera picked 3 times as many pounds as Gita" x=3z
"Total weight is 8360" x+y+z=8360
substitute in values
x+y+z=8360
3z+1.5z+z=8360
z=1520
x= 3*1520=4560
y=4560/2=2280
"Kiera picked twice as many pounds as Larry" x=2y
"Kiera picked 3 times as many pounds as Gita" x=3z
"Total weight is 8360" x+y+z=8360
substitute in values
x+y+z=8360
3z+1.5z+z=8360
z=1520
x= 3*1520=4560
y=4560/2=2280